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Send Message Error after Thunderbird upgraded itself

  • 2 wótegronje
  • 1 ma toś ten problem
  • 6 naglědow
  • Slědne wótegrono wót Wayne Mery

lmartin1
lmartin1
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When I restarted Thunderbird today, it automatically upgraded itself to version 78.4.0 (32-bit). Unfortunately, I am now UNABLE TO SEND MESSAGES. When I hit Send, a box pops up with the following message:

Send Message Error

Sending of the message failed. Peer using unsupported version of security protocol. The configuration related to outbox.whoi.edu must be corrected.

I have checked my outbox.whoi.edu configuration, and it is set correctly as follows:

SMTP Server

Settings Description: Server Name: outbox.whoi.edu Port: 587 Default: 587

Security and Authentication Connection security: STARTTLS Authentication method: Normal password User Name: lmartin

Can you please help me to restore the functionality of my email, so that I can send messages once again?

Thank you.

When I restarted Thunderbird today, it automatically upgraded itself to version 78.4.0 (32-bit). Unfortunately, I am now UNABLE TO SEND MESSAGES. When I hit Send, a box pops up with the following message: Send Message Error Sending of the message failed. Peer using unsupported version of security protocol. The configuration related to outbox.whoi.edu must be corrected. I have checked my outbox.whoi.edu configuration, and it is set correctly as follows: SMTP Server Settings Description: Server Name: outbox.whoi.edu Port: 587 Default: 587 Security and Authentication Connection security: STARTTLS Authentication method: Normal password User Name: lmartin Can you please help me to restore the functionality of my email, so that I can send messages once again? Thank you.
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Wšykne wótegrona (2)

sfhowes
sfhowes
  • Top 25 Contributor
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See https://support.mozilla.org/en-US/questions/1295861

Wayne Mery
Wayne Mery
  • Moderator
  • Top 10 Contributor
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You should inform your mail provider - because you don't what to be using obsolete security protocols forever.